Moton Suspension – USA is proud to announce updates to the existing Moton product line. After more than ten years of successful production, updates to the portfolio were needed to keep the product competitive in today’s marketplace.
We asked professional teams and consumers what they liked and didn’t like about Moton as a company and a product. Users applauded the adjustment range of the damper, the bulletproof design, and large compression adjustment range. The two areas of improvement were the high stiction caused by the 22mm shafts and the lack of piston choices.
Low Drag Seals
For ClubSport, 3-Way Pro, and 4-Way Pro models, Moton Suspension is updating the main seal to a new low drag seal. While the 22mm shaft provides high fluid displacement for large compression control, it also creates a seal drag greater than smaller shaft dampers. Lightweight, tube frame race cars are particularly sensitive to seal drag. The compromise found in this design has been corrected, based on feedback from professional endurance race teams, and all previous generation dampers can be upgraded to the new seals. Performance results will be published at a later date. These low drag seals decrease hysteresis and stiction in the damper, allowing for a more precise tuning of shock dampening.
Specialty Shaft Coatings
In addition to main seals, all models will have the option of Diamond-Like Carbon (DLC) coated shafts. DLC uses a carbon structure applied on the hard chrome surface to offer lower drag especially in high load MacPherson strut applications. Early testing shows a 44% reduction in seal drag.
Performance Damper Fluid
All shocks will be available with our latest specially formulated damper fluid. This optional fluid has been proven in endurance racing for years and is being blended to meet our customer’s needs. Our new fluid has the highest Viscosity Index and performance parameters of any damper fluid on the market. We tested against the former Moton fluid and found less hysteresis and stiction with the new fluid. Due to its cost, it will be provided as an option.
Double Digressive Pistion (DDP) Technology
Consumers and professional race teams have always appreciated Moton’s smooth operation attributed to the “zero preload” piston that has carried the product for more than ten years of dominance in racing. Our 44mm DDP piston design, similar to the one developed for GRAND-AM racing, has been proven on a 7-post (shaker) rig to offer what race drivers and race engineers want – direct feel from the chassis at slow shaft velocities and soaking up the bumps and curbs at high speeds. Digressive pistons allow the damper engineer to preload the shim stack enough to give the driver control, but also to “blow off” over bumps and curbs. This same design (40mm piston) found in our AST brand won three GRAND-AM races in 2011 and nearly 50% of the podium spots after being introduced half way through the season. We began testing DDP for street cars and noticed a byproduct of the new design. When the rebound adjustment is soft, the damper curve looks similar to an OEM street shock profile. When the rebound adjustment is hard, the damper curve looks like a race shock! The digressive piston will be available as an option on all product lines.
Orifice Bleed Rebound Adjuster Update
Moton’s orifice bleed is a favorite among racers in regards to adjusting rebound. Since precision is key in a high performance damper, the current process for drilling the bleed holes was deemed unacceptable. The current design was susceptible to inconsistent force adjustment when small errors occurred during the drilling process.
The new rebound system builds on the success of the original orifice bleed, but instead moves the orifice to a CNC machined orifice adjuster ring (OAR). Different profile rings can be used for different pistons and different adjustment range requirements of the damper. The CNC machined OAR adjusters will boast a higher quality precision adjustment mechanism than the older design. All Moton dampers can be upgraded to the new orifice adjuster ring.
More updates and information will be released soon. Stop by our PRI booth #2985 to see the new updates in person.